How do you fix a blown Christmas tree light?
How do you fix a blown Christmas tree light? Check the fuse or fuses from the plug at the end of the light strand (usually the glass-cylinder type with a wire filament). Use a small screwdriver to pop out the tab and open the plug. If the fuse is charred or burned out, replace it with a new fuse, and plug the light strand in your outlet. Why do Christmas lights get bright then burn out? In a simple circuit, including one in an incandescent light bulb, electricity travels through a closed circuit, passing over a filament, causing it to...